Home / 222,918.60-307,627.64-127,427.36

Finding the Fourth Proportional to 222,918.60, 307,627.64 and 127,427.36

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Solution

The fourth proportional to 222,918.60, 307,627.64 and 127,427.36 is: 175,849.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,918.60 : 307,627.64 = 127,427.36 : x
  2. Step 2: Convert to fraction form
    222,918.60/307,627.64 = 127,427.36/x
  3. Step 3: Cross multiply
    222,918.60x = 307,627.64 × 127,427.36
  4. Step 4: Simplify right side
    222,918.60x = 39,200,178,028.23
  5. Step 5: Solve for x
    x = 39,200,178,028.23/222,918.60
  6. Step 6: Final answer
    x = 175,849.74

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.